Lighting fixture



FIG. 1 is a bottom plan view of a lighting fixture showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof.

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a bottom perspective view thereof.

The broken lines shown on the drawings are understood to represent environmental structure that is not considered part of the claimed design. 

CLAIM The ornamental design for a lighting fixture, as shown and described. 